Introduction
This manual provides essential instructions for the safe operation, maintenance, and troubleshooting of your CUSHYBITE RY40660 40V HP Brushless Whisper Series 26 in. Cordless Battery Hedge Trimmer. Please read this manual thoroughly before operating the tool to ensure proper use and to prevent injury.
Safety Information
Always wear appropriate personal protective equipment (PPE) including safety glasses, gloves, and hearing protection when operating the hedge trimmer. Keep hands and feet away from the blades. Ensure the work area is clear of debris and bystanders.
- Read all instructions before use.
- Do not operate in wet conditions.
- Keep children and pets away from the operating area.
- Inspect the trimmer for damage before each use.
- Remove the battery pack before making any adjustments, changing accessories, or storing the tool.
Product Components
Familiarize yourself with the main components of your hedge trimmer:

Figure 1: Overview of the CUSHYBITE RY40660 hedge trimmer, including the 40V battery and charger.
- Hedge Trimmer Body: Main unit housing the motor and controls.
- 26-inch Dual-Action Blades: For efficient cutting.
- Front Handle: For stable grip during operation.
- Rotating Rear Handle: Allows for comfortable trimming at various angles.
- 40V Battery Pack: Provides power to the tool.
- Battery Charger: For recharging the battery pack.
Setup
1. Charging the Battery
Before first use, fully charge the 40V battery pack. Connect the charger to a standard power outlet and insert the battery pack into the charger. The indicator light on the charger will show the charging status. A full charge typically takes approximately 60-90 minutes for the included 2.0 Ah battery.
2. Installing the Battery
Ensure the hedge trimmer is turned off. Align the battery pack with the battery port on the trimmer handle and slide it in until it clicks securely into place. To remove, press the battery release button and slide the battery out.

Figure 2: The CUSHYBITE RY40660 hedge trimmer, ready for battery installation.
Operating Instructions
1. Starting the Trimmer
To start the hedge trimmer, ensure the battery is installed. Press and hold the safety switch (usually located on the front handle) and then squeeze the trigger switch (on the rear handle). Release the safety switch once the motor starts.
2. Trimming Techniques
Hold the trimmer firmly with both hands. Use a sweeping motion to cut hedges. For vertical cuts, start at the bottom and sweep upwards. For horizontal cuts, hold the trimmer level and sweep across the top of the hedge. The rotating rear handle allows for ergonomic trimming at various angles.

Figure 3: Demonstrates a user utilizing the rotating rear handle for angled trimming, highlighting the ergonomic design.
3. Stopping the Trimmer
Release the trigger switch to stop the trimmer. Always remove the battery pack when not in use or before performing any maintenance.
Maintenance
1. Blade Care
After each use, clean the blades with a stiff brush to remove sap and debris. Apply a light machine oil or blade lubricant to prevent rust and ensure smooth operation. Periodically check the blades for sharpness and damage. Sharpen or replace as needed by a qualified service technician.
2. General Cleaning
Wipe down the exterior of the trimmer with a damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure all vents are clear of debris to prevent overheating.
3. Storage
Store the hedge trimmer in a dry, secure location out of reach of children. Remove the battery pack before storing for extended periods. Store the battery pack in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not charged or improperly installed; Safety switch not engaged; Trigger not pressed. | Ensure battery is fully charged and correctly seated. Engage safety switch and press trigger simultaneously. |
| Reduced cutting performance | Dull or dirty blades; Overloading the motor; Low battery charge. | Clean and lubricate blades. Avoid cutting branches thicker than recommended. Recharge battery. |
| Excessive vibration | Damaged or bent blades; Loose components. | Inspect blades for damage; tighten any loose screws. If problem persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | RY40660 |
| Brand | CUSHYBITE |
| Voltage | 40V |
| Blade Length | 26 inches |
| Blade Type | Dual-Action |
| Motor Type | HP Brushless |
| Battery Included | 2.0 Ah 40V Lithium-Ion |
| Charger Included | Yes |
| Noise Level | Whisper Series (Reduced Noise) |
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact CUSHYBITE customer service. Keep your proof of purchase for warranty claims.
Manufacturer: CUSHYBITE
Part Number: RY40660
Date First Available: January 25, 2025